Home / 1,018,606.61-1,527,910.20-378,826.76

Finding the Fourth Proportional to 1,018,606.61, 1,527,910.20 and 378,826.76

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Solution

The fourth proportional to 1,018,606.61, 1,527,910.20 and 378,826.76 is: 568,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,606.61 : 1,527,910.20 = 378,826.76 : x
  2. Step 2: Convert to fraction form
    1,018,606.61/1,527,910.20 = 378,826.76/x
  3. Step 3: Cross multiply
    1,018,606.61x = 1,527,910.20 × 378,826.76
  4. Step 4: Simplify right side
    1,018,606.61x = 578,813,262,997.40
  5. Step 5: Solve for x
    x = 578,813,262,997.40/1,018,606.61
  6. Step 6: Final answer
    x = 568,240.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.